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Essential Features of LARP Strands

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Milorad B. Popovic
Updated by:
Milorad B. Popovic
Document Created:
11 Jan 2007, 09:42
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11 Jan 2007, 09:42
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11 Jan 2007, 09:42
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Since the late 1990s, work spearheaded by advanced technology development programs in the DOE Office of High Energy Physics has led to the doubling of the critical current density of Nb3Sn superconducting wire at 12 T, 4.2 K. As a result of this work, suppliers of reproducible, reliable, high-performance Nb3Sn strand for advanced high-field magnet development now exist. The strand design for the LHC Accelerator Research Program (LARP) typifies many of the critical advances, and I will describe the general features that enable its success and present an overview of the materials science beneath them. I will argue that ample room exists for continued innovation, improved margins, and cost reduction. Other drivers, such as a very high field solenoid for muon cooling or the development of superconducting RF cavities beyond pure Nb, may pull the attention of the materials community away from further developing Nb3Sn strand, and I will briefly describe emerging areas in high-field superconducting materials.
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AD Seminar held on 28 Sep 2006 in 1 West
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